LanguageTool records 5,707,795 monthly visits with -4.2% month-over-month growth and Freemium pricing. Side Reader records 355 monthly visits with -36.5% growth and Freemium pricing.
AI grammar, spelling and style checker for 30+ languages
Read and chat with PDFs right beside ChatGPT, Claude and DeepSeek.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | languagetool.org | side-reader.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 5.71M (5,707,795) | 355 (355) |
| MoM Traffic Delta | -247.26K (-4.2%) | -204 (-36.5%) |
| Primary Market & Share | 🇧🇷 Brazil (13.8%) | 🇻🇳 Vietnam (100%) |
| Direct Visits / mo | 3.23M | 149 |
| User Rating | 4.3 | 2.4 |
| Supported Platforms | Website | Website |
AI grammar, spelling and style checker for 30+ languages
Detects grammatical errors, typos, punctuation issues and casing mistakes across 30+ languages.
Rephrase any sentence to be more formal, fluent, simple or concise with AI-driven suggestions.
Browser add-ons plus Google Docs, Word, LibreOffice, Gmail and Outlook integrations, and desktop apps.
Advanced suggestions flag overused phrases, redundancy and wording that weakens your text.
Read and chat with PDFs right beside ChatGPT, Claude and DeepSeek.
PDFs render directly in the sidebar next to the chat, so your document and the AI conversation are visible at the same time.
Summarize a whole document, translate it, or have passages explained in simpler terms using the AI you are already signed into.
Built-in buttons cover the common actions, and you can edit their prompts to make the AI respond in the format and tone you need.
Ask about charts, scans or regions that cannot be selected by taking a screenshot question instead.
SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
SpecialistEnterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
A premier cross-platform writing assistant offering robust real-time grammar checks, tone alignment, and style suggestions.
A premier cross-platform writing assistant offering robust real-time grammar checks, tone alignment, and style suggestions.
SpecialistAn AI writing assistant specializing in advanced paraphrasing and text rewriting alongside built-in grammar checks.
SpecialistAn AI writing assistant specializing in advanced paraphrasing and text rewriting alongside built-in grammar checks.
SpecialistAcademic proofreading, plagiarism checking and AI-powered writing tools in one place
SpecialistAcademic proofreading, plagiarism checking and AI-powered writing tools in one place
AI research platform for reading, understanding and writing scientific papers
AI research platform for reading, understanding and writing scientific papers
A free, AI-powered PDF editor for every device
AI sidebar and browser agent for reading, writing and research
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Bilingual AI translation for websites, documents, video and images
Bilingual AI translation for websites, documents, video and images
Free AI-powered PDF editor, converter and reader for every device
Free AI-powered PDF editor, converter and reader for every device
A comprehensive writing enhancement platform combining deep style analysis with line-level grammar and spelling correction.
A comprehensive writing enhancement platform combining deep style analysis with line-level grammar and spelling correction.
SpecialistAI translation for text, images, documents and speech in 100+ languages
SpecialistAI translation for text, images, documents and speech in 100+ languages
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
